package org.example.reggie.config;

import lombok.extern.slf4j.Slf4j;
import org.example.reggie.common.JacksonObjectMapper;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * 静态资源映射，当用户访问时能够访问相应的静态资源
 */
@Configuration
@Slf4j
public class WebMvcConfig extends WebMvcConfigurationSupport {

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始静态资源映射");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");

    }

    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {

        //创建消息转换器对象
        MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器,将Java对象转换成json
        mappingJackson2HttpMessageConverter.setObjectMapper(new JacksonObjectMapper());
        //将消息转换器添加到mvc框架中的转换集合中
        converters.add(0,mappingJackson2HttpMessageConverter);

    }
}
